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Finding the Third Proportional to 2,920,604 and 6,391,778

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Solution

The third proportional to 2,920,604 and 6,391,778 is: 13,988,485.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,604 : 6,391,778 = 6,391,778 : x
  2. Step 2: Convert to fraction form
    2,920,604/6,391,778 = 6,391,778/x
  3. Step 3: Cross multiply
    2,920,604x = 6,391,778 × 6,391,778
  4. Step 4: Simplify right side
    2,920,604x = 40,854,826,001,284
  5. Step 5: Solve for x
    x = 40,854,826,001,284/2,920,604
  6. Step 6: Final answer
    x = 13,988,485.26

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.